HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → 2-(3-Methyl-2-oxo-piperidin-1-yl)-phenol
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Methyl iodide | HCID 6328 | — |
| Reactant | Lithium diethylamide | HCID 11137085 | — |
| Reactant | 1-(2-Hydroxyphenyl)piperidin-2-one | HCID 11506609 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 2-(3-Methyl-2-oxo-piperidin-1-yl)-phenol | HCID 21706246 | — |
Reaction Steps
Lithium diethylamide (2M solution in THF) (3.92 mL, 7.84 mmol) was added to a solution of 2-(2-oxo-piperidin-1-yl)-phenol (as described in Example 1, Step F) (0.50 g, 2.61 mmol) in THF (5 mL) at −78° C. with stirring under Ar. After 30 min, iodomethane (0.488 mL, 7.84 mmol) was added and the reaction left to come to room temperature overnight. The reaction was treated with H2O, concentrated to remove the THF, then partitioned between diethyl ether and H2O. The organic layer was separated, washed with brine, dried (Na2SO4), filtered, and concentrated to dryness to give the title compound after chromatography (silica gel, 1% CH3OH, 29% EtOAc, 70% hexane).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06284755B1 |
| Source dataset | uspto-grants-2001_09 |
| ORD ID | ord-bc9252cd7bc84985a52bca389227915a |
| Source note | uspto-grants-2001_09 |